Physics questions
20027 published questions with worked solutions.
- Mean free path of a gas molecule increases with increase in:
- Mean free path of a gas molecule increases with decrease in:
- If pressure of gas is reduced, the mean free path of gas molecules.
- Mean free path of a gas molecule increases with decrease in
- The straight line distance travelled by a molecule with uniform velocity between two successive collisions is called as
- The average of all the free path of the molecules is called as
- Between two successive collisions, a molecule moves with
- The collisions in an ideal gas are assumed:
- At constant volume, temperature is increased then:
- The mean free path is inversely proportional to:
- The expression for the mean free path ( ) of molecules is given by
- The average velocity of the gas molecules in a gas in equilibrium is
- The mean square speed of a gas molecules in equilibrium is
- A gas is enclosed in a closed pot. On keeping this pot in a train moving with high speed, the temperature of the gas
- The collisions between the molecules among themselves and with the walls of a container are
- A molecule of a perfect gas travels, between two successive collisions along a
- The pressure exerted by the gas molecule is
- The pressure exerted by the molecules of a gas at any point on a wall in any direction in equilibrium state is
- The pressure P of an ideal gas and its kinetic energy E per unit volume are related as:
- The K.E. of molecules of a perfect gas is zero at: